A Brooklyn school principal is under fire after parent leaders complained she improperly interfered with the business of the PTA and pitted teachers against them in a riotous meeting.

All hell broke loose at the David A. Boody Intermediate School/IS 228 after acting Principal Marion Lish objected to parents voting to convert the PTA to a parents-only board on June 1, sources said. Some school staffers greeted the parent leaders with insults and ground business to a halt, said PTA President Valerie Kizon. A source close to Lish defended her actions. “The parents are trying to undermine her,” the source said.